Commit graph

291 commits

Author SHA1 Message Date
Olof Kindgren
72e34ce795 Simplify servant_arbiter 2019-10-29 21:53:13 +01:00
Olof Kindgren
4f32975989 Consistent naming of servant components 2019-10-29 21:53:13 +01:00
Olof Kindgren
9b5401811e servant: Only ignore memfile for verilator 2019-10-29 21:53:13 +01:00
Olof Kindgren
57b4fca05f Ignore initial garbage in verilator UART decoder 2019-10-29 21:53:13 +01:00
Olof Kindgren
574464a33b De-pipeline alu_result_sel 2019-10-29 21:53:13 +01:00
Fabien Marteau
b9a9e99e2b Suppressing some verilator lint warnings 2019-10-22 10:53:23 +02:00
Fabien Marteau
e5061ca5f8 Update README.md (#9)
* Update README.md
2019-10-22 09:15:35 +02:00
Olof Kindgren
8bc54a99ad Move mcause generation to serv_csr 2019-09-26 23:36:02 +02:00
Olof Kindgren
2b5c71fe9b Gate mem_rd in mem_if 2019-09-26 23:31:23 +02:00
Olof Kindgren
0f767ad2d3 Gate mem_misalign in mem_if 2019-09-26 23:23:42 +02:00
Olof Kindgren
5b96b3a938 Simplify jump flag 2019-09-26 23:12:07 +02:00
Olof Kindgren
7bd89deb41 Simplify mret/csr address generation 2019-09-26 23:09:22 +02:00
Olof Kindgren
126937f16a Rewrite RF and state machine
Big patch, but would take more work to split it up
2019-09-26 23:09:22 +02:00
Olof Kindgren
8481fb46a1 Remove dead code 2019-09-26 22:59:46 +02:00
Olof Kindgren
bad823ff6d Fix syntax error for o_take_branch 2019-09-26 22:59:46 +02:00
Olof Kindgren
ca2beaf786 Pass rf_rreq through serv_state 2019-09-26 22:59:46 +02:00
Olof Kindgren
3d6eb3feca Separate rf_ready and dbus_ack 2019-09-26 22:59:46 +02:00
Florian Zaruba
27621a285e rtl: Make compatible to Synopsys Design Compiler
Synopysis DC has problems with forward references and initial
statements. Fixed that for better compatibility.
2019-09-26 22:57:40 +02:00
Olof Kindgren
ec6c7a7cd5 Update README 2019-09-16 16:57:56 +02:00
Olof Kindgren
920ad92bc7 Remove unused rs_en signal 2019-09-16 10:45:42 +02:00
Olof Kindgren
6518b5f30f Simplify bufreg_hold 2019-09-16 09:05:47 +02:00
Olof Kindgren
ef7706f26b Simplify two-stage signalling 2019-09-16 09:03:02 +02:00
Olof Kindgren
d4c782bce6 Set o_dbus_we directly from decode 2019-09-16 00:13:21 +02:00
Olof Kindgren
b9e410a0a0 Remove bytepos from serv_mem_if 2019-09-16 00:07:58 +02:00
Olof Kindgren
5a44634ee5 Avoid exposing funct3 from decode 2019-09-15 23:50:02 +02:00
Olof Kindgren
9575eb4fef Separate decode and state 2019-09-15 23:25:10 +02:00
Olof Kindgren
7289a68f6e Separate state from o_bufreg_loop 2019-09-14 22:52:41 +02:00
Olof Kindgren
c0a177aebe Simplify o_alu_cmp_uns 2019-09-14 22:21:25 +02:00
Olof Kindgren
1248043a39 Separate state and decode from CSR signals 2019-09-14 22:18:03 +02:00
Olof Kindgren
ef3fc9274d Rename misleading signal names 2019-09-13 23:30:46 +02:00
Olof Kindgren
8c63a1a22f Simplify bufreg.i_clr 2019-09-13 23:30:46 +02:00
Olof Kindgren
8dc137fb07 Kill of mem_init and mem_en 2019-09-13 23:30:46 +02:00
Olof Kindgren
e20e0eef8f Optimize dbus_cyc 2019-09-13 23:30:46 +02:00
Olof Kindgren
8cd9742b53 Use two write ports for RF/CSR RAM 2019-09-13 23:30:46 +02:00
Olof Kindgren
a0ba84096a Simplify csr stuff 2019-09-13 23:30:46 +02:00
Olof Kindgren
7425128dd8 Pass imm offsets through bufreg 2019-09-13 23:30:46 +02:00
Olof Kindgren
28a2bbdb60 Rename misleading signal name 2019-09-13 23:30:46 +02:00
Olof Kindgren
286a07bfc8 Mask rvfi_valid during reset release 2019-09-13 23:30:45 +02:00
Olof Kindgren
e059b7cf09 Add timeout argument 2019-08-25 22:52:34 +02:00
Olof Kindgren
65eb89323a Replace wb_ram with servant_ram 2019-08-25 22:51:50 +02:00
Olof Kindgren
d2cf7e547a Interrupt refactoring 2019-08-25 22:47:29 +02:00
Olof Kindgren
3c1582b7b2 Remove unused RVFI defines 2019-08-14 22:15:45 +02:00
Olof Kindgren
892388627c Speed up memory accesses 2019-08-14 22:15:45 +02:00
Olof Kindgren
f754fffdac Make default target runnable 2019-07-29 08:41:03 +02:00
Olof Kindgren
71a1abe602 Add missing RVFI port 2019-07-23 13:03:12 +02:00
Olof Kindgren
fb7c6c1458 Simplify csr_en logic 2019-07-23 12:10:38 +02:00
Olof Kindgren
31852f175d Simplify alu_cmp_eq control logic 2019-07-23 12:10:38 +02:00
Olof Kindgren
af3b82f9ac Optimize take_branch condition 2019-07-23 12:10:38 +02:00
Olof Kindgren
88b199a97c Fix typo in service reset signal 2019-07-22 22:56:27 +02:00
Olof Kindgren
16c93a58ee Move mepc and mtval into RF memory 2019-07-08 07:49:58 +02:00